Buttercup is a perennial herbaceous plant of the Ranunculaceae family.The fibrous roots are mostly clustered.The stem is upright, up to 70 cm high, the leaves are round-heart-shaped or pentagonal, the base is heart-shaped or truncate, the middle lobe is obovate-wedge-shaped or broadly oval-shaped or rhombus-shaped, with adnate pubescence on both sides, and the petiole is pubescent.